4. The test performs movements, and shows some value results as PWM average, speed error, PWM
standard deviation, and PWM max. Press OK to continue.
5. The front panel asks to load media. After, press OK to continue.
6. The test moves the media, and finally shows the diagnostic result in front panel. Press OK to restart the
printer.
If the test displays a motor error; replace the media motor.
If the test displays a high friction error; revise the drive roller system, look for obstacles, or if necessary,
replace the media motor.
2.3 Substrate Path Sensors
Description
The purpose of this test is to verify the operation of the following Sensors:
●
Substrate Lever.
●
Substrate Sensor.
Procedure
1. Go to Diagnostic test > 2. Substrate Path Menu > 2.3 Substrate Path Sensors, and press OK.
2. Before starting, first make sure that:
●
The Window is closed.
●
The Substrate Lever is in the lowered position.
●
The SVS door is closed.
●
Paper is unloaded.
Then press OK to continue.
3. Raise the Substrate Lever and press OK.
Previously, if the Paper Lever Sensor fails the test, the front panel will display an error message saying
that it is not possible to detect this sensor.
4. Lower the Substrate Lever and press OK.
5. Now the paper sensor is tested. Press OK to continue.
If this test is passed, press OK one more time.
If the paper sensor fails the test, the front panel will display an error message saying that it is not
possible to detect the paper loaded.
6. The front panel reports the overall result of the tests. Press OK to finish the test.
2.4 OMAS Module
Description
The objective of this test is to check the communication of the OMAS system: OMAS controller PCA, OMAS flat
cable, and OMAS sensor.
Procedure
148 Chapter 4 Service Tests, Utilities, and Calibrations ENWW
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